1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.h
new file mode 100644
index 000000000..5421321f8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.h
@@ -0,0 +1,131 @@
+#ifndef __NVKM_RUNL_H__
+#define __NVKM_RUNL_H__
+#include <core/intr.h>
+struct nvkm_cctx;
+struct nvkm_cgrp;
+struct nvkm_chan;
+struct nvkm_memory;
+struct nvkm_object;
+struct nvkm_vctx;
+enum nvkm_subdev_type;
+
+struct nvkm_engn {
+	const struct nvkm_engn_func {
+		int (*nonstall)(struct nvkm_engn *);
+		bool (*chsw)(struct nvkm_engn *);
+		int (*cxid)(struct nvkm_engn *, bool *cgid);
+		void (*mmu_fault_trigger)(struct nvkm_engn *);
+		bool (*mmu_fault_triggered)(struct nvkm_engn *);
+		int (*ctor)(struct nvkm_engn *, struct nvkm_vctx *);
+		void (*bind)(struct nvkm_engn *, struct nvkm_cctx *, struct nvkm_chan *);
+		int (*ramht_add)(struct nvkm_engn *, struct nvkm_object *, struct nvkm_chan *);
+		void (*ramht_del)(struct nvkm_chan *, int hash);
+	} *func;
+	struct nvkm_runl *runl;
+	int id;
+
+	struct nvkm_engine *engine;
+
+	int fault;
+
+	struct list_head head;
+};
+
+#define ENGN_PRINT(e,l,p,f,a...)                                                           \
+	RUNL_PRINT((e)->runl, l, p, "%02d[%8s]:"f, (e)->id, (e)->engine->subdev.name, ##a)
+#define ENGN_DEBUG(e,f,a...) ENGN_PRINT((e), DEBUG,   info, " "f"\n", ##a)
+
+struct nvkm_runl {
+	const struct nvkm_runl_func {
+		void (*init)(struct nvkm_runl *);
+		void (*fini)(struct nvkm_runl *);
+		int runqs;
+		u8 size;
+		int (*update)(struct nvkm_runl *);
+		void (*insert_cgrp)(struct nvkm_cgrp *, struct nvkm_memory *, u64 offset);
+		void (*insert_chan)(struct nvkm_chan *, struct nvkm_memory *, u64 offset);
+		void (*commit)(struct nvkm_runl *, struct nvkm_memory *, u32 start, int count);
+		int (*wait)(struct nvkm_runl *);
+		bool (*pending)(struct nvkm_runl *);
+		void (*block)(struct nvkm_runl *, u32 engm);
+		void (*allow)(struct nvkm_runl *, u32 engm);
+		void (*fault_clear)(struct nvkm_runl *);
+		void (*preempt)(struct nvkm_runl *);
+		bool (*preempt_pending)(struct nvkm_runl *);
+	} *func;
+	struct nvkm_fifo *fifo;
+	int id;
+	u32 addr;
+	u32 chan;
+	u16 doorbell;
+
+	struct nvkm_chid *cgid;
+#define NVKM_CHAN_EVENT_ERRORED BIT(0)
+	struct nvkm_chid *chid;
+
+	struct list_head engns;
+
+	struct nvkm_runq *runq[2];
+	int runq_nr;
+
+	struct nvkm_inth inth;
+
+	struct {
+		int vector;
+		struct nvkm_inth inth;
+	} nonstall;
+
+	struct list_head cgrps;
+	int cgrp_nr;
+	int chan_nr;
+	atomic_t changed;
+	struct nvkm_memory *mem;
+	u32 offset;
+	struct mutex mutex;
+
+	int blocked;
+
+	struct work_struct work;
+	atomic_t rc_triggered;
+	atomic_t rc_pending;
+
+	struct list_head head;
+};
+
+struct nvkm_runl *nvkm_runl_new(struct nvkm_fifo *, int runi, u32 addr, int id_nr);
+struct nvkm_runl *nvkm_runl_get(struct nvkm_fifo *, int runi, u32 addr);
+struct nvkm_engn *nvkm_runl_add(struct nvkm_runl *, int engi, const struct nvkm_engn_func *,
+				enum nvkm_subdev_type, int inst);
+void nvkm_runl_del(struct nvkm_runl *);
+void nvkm_runl_fini(struct nvkm_runl *);
+void nvkm_runl_block(struct nvkm_runl *);
+void nvkm_runl_allow(struct nvkm_runl *);
+void nvkm_runl_update_locked(struct nvkm_runl *, bool wait);
+bool nvkm_runl_update_pending(struct nvkm_runl *);
+int nvkm_runl_preempt_wait(struct nvkm_runl *);
+
+void nvkm_runl_rc_engn(struct nvkm_runl *, struct nvkm_engn *);
+void nvkm_runl_rc_cgrp(struct nvkm_cgrp *);
+
+struct nvkm_cgrp *nvkm_runl_cgrp_get_cgid(struct nvkm_runl *, int cgid, unsigned long *irqflags);
+struct nvkm_chan *nvkm_runl_chan_get_chid(struct nvkm_runl *, int chid, unsigned long *irqflags);
+struct nvkm_chan *nvkm_runl_chan_get_inst(struct nvkm_runl *, u64 inst, unsigned long *irqflags);
+
+#define nvkm_runl_find_engn(engn,runl,cond) nvkm_list_find(engn, &(runl)->engns, head, (cond))
+
+#define nvkm_runl_first(fifo) list_first_entry(&(fifo)->runls, struct nvkm_runl, head)
+#define nvkm_runl_foreach(runl,fifo) list_for_each_entry((runl), &(fifo)->runls, head)
+#define nvkm_runl_foreach_cond(runl,fifo,cond) nvkm_list_foreach(runl, &(fifo)->runls, head, (cond))
+#define nvkm_runl_foreach_engn(engn,runl) list_for_each_entry((engn), &(runl)->engns, head)
+#define nvkm_runl_foreach_engn_cond(engn,runl,cond) \
+	nvkm_list_foreach(engn, &(runl)->engns, head, (cond))
+#define nvkm_runl_foreach_cgrp(cgrp,runl) list_for_each_entry((cgrp), &(runl)->cgrps, head)
+#define nvkm_runl_foreach_cgrp_safe(cgrp,gtmp,runl) \
+	list_for_each_entry_safe((cgrp), (gtmp), &(runl)->cgrps, head)
+
+#define RUNL_PRINT(r,l,p,f,a...)                                                          \
+	nvkm_printk__(&(r)->fifo->engine.subdev, NV_DBG_##l, p, "%06x:"f, (r)->addr, ##a)
+#define RUNL_ERROR(r,f,a...) RUNL_PRINT((r), ERROR,    err, " "f"\n", ##a)
+#define RUNL_DEBUG(r,f,a...) RUNL_PRINT((r), DEBUG,   info, " "f"\n", ##a)
+#define RUNL_TRACE(r,f,a...) RUNL_PRINT((r), TRACE,   info, " "f"\n", ##a)
+#endif